What does the following graph illustrate? (PD is peritoneal dialysis.)
Source: Tangri, N., Ansell, D., & Naimark, D. (2008). Predicting technique survival in peritoneal dialysis patients: Comparing artificial neural networks and logistic regression. Nephrology, Dialysis, Transplantation, 23, 2972–2981.
A. The higher the probability of technique failure, the more days needed to initiate PD.
B. The minimum time since initiation of PD, the higher the probability of technique failure.
C. The longer the time since initiation of PD, the higher the probability of technique failure.
D. None of the above.
Answer: C
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